11542873440 has 96 divisors (see below), whose sum is σ = 41554356480. Its totient is φ = 2638370304.

The previous prime is 11542873439. The next prime is 11542873471. The reversal of 11542873440 is 4437824511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714330 + ... + 1721049.

It is an arithmetic number, because the mean of its divisors is an integer number (432857880).

Almost surely, 2^11542873440 is an apocalyptic number.

11542873440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11542873440 is an abundant number, since it is smaller than the sum of its proper divisors (30011483040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11542873440 is a wasteful number, since it uses less digits than its factorization.

11542873440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435404 (or 3435396 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 11542873440 in words is "eleven billion, five hundred forty-two million, eight hundred seventy-three thousand, four hundred forty".